"Cocktail" by Katia is a boucle yarn. It has tightly spaced, small loops. This worsted weight yarn is made of 40% wool, 40% acrylic and 20% polyester. It can be hand washed and dried flat. Each color includes strands of black yarn. "Cocktail" is suitable for making hats, scarves, sweaters, vests, blankets and shawls.